Question says it all really. Code can be found at the following link -> http://www.mindrot.org/projects/jBCrypt/
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Question says it all really. Code can be found at the following link -> http://www.mindrot.org/projects/jBCrypt/
First, it’s not documented as thread-safe, so for all intents and purposes, it’s not. And, on further investigation, it’s definitely not: It turns out that, while there are some instance fields, there is no instance of BCrypt exposed; it tries to do everything through static methods. It may not be thread safe. It’s small enough that, assuming you care and the author would accept, you could offer a patch to trivially convert it to provide separate, safe instances (edit to add: I have scrubbed it carefully and prepared a cleaner version, which I will send to the author…)
Second, in what manner do you want to use this in a multithreaded environment? It’s not clear to me what you’d want to do in separate threads.
NOTE: There is a dissenting opinion below with more upvotes as of 7/18/2013